NEW YORK ( TheStreet) -- Lan Airlines (NYSE: LFL) is trading at unusually high volume Thursday with one million shares changing hands. It is currently at 4.4 times its average daily volume and trading up $1.31 (+5.5%) at $25.30 as of 3:55 p.m. ET. Lan Airlines has a market cap of $8.29 billion and is part of the services sector and transportation industry. Shares are up 3.2% year to date as of the close of trading on Wednesday. Lan Airlines S.A., together with its subsidiaries, provides passenger and cargo air transportation services in Latin America. It offers domestic and international passenger services in Chile, Peru, Ecuador, Argentina, and Colombia. The company has a P/E ratio of 25.9, below the average transportation industry P/E ratio of 27.5 and above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Lan Airlines as a hold. Among the primary strengths of the company is its revenue growth. At the same time, however, we also find weaknesses including a generally disappointing performance in the stock itself, deteriorating net income and feeble growth in the company's earnings per share. You can view the full Lan Airlines Ratings Report. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center.